138 RUTACH3E. 



ovate, emarginate or blunt, crenate, glabrous, bitubercled at the base beneath, doited with 

 pellucid points chiefly below the crenatures : petiole unarmed, with the joints lanceolate ; 

 flowers in an oblong glomerule ; carpids 2-1, globose, mucronate, as long as the carpo- 

 phore.— SI. t. 162./. 1 ; Lam. III. t. 84 ; Desc. Fl. 7- t. 455.— F. pterota, L. {quoad syn. 

 SI.). Zanthoxylum pterota, Kth., Mac/., As. Gr.—A high shrub ; leaflets 12" / -5" / long. 

 — Hab. Jamaica !, Wright, in thickets ; Bahamas !, Swains. ; S. Kitts, Nevis ; Trinidad !, 

 Pd„ Cr.; [Florida !, Texas ! ; Cuba], 



6. ZANTHOXYLUM, L. 



(Zanthoxyli sect. Eoxanthoxylum, PI. Carib. ; sect. Ochroxylum et Langsdorffia, Juts.) 



Petals 5. Stamens as many. Ovaries 5-1, distinct or cohering in the axis : stigmas 

 connivent or cohering. Folliculi 5-1 : endocarp adhering to the valves, or separated on 

 the margin. — Trees; leaves impari-pinnate, rarely unifoliolate, dotted with pellucid points ; 

 flowers in a dense panicle. 



Sect. 1. Kampmannia. — Stigma peltate ly cohesion, subsessile. — Leaves impari-pinnate. 



15. Z. clava-Herculis, L. {ex syn. P. Br.). Leaflets 10-5-jugal, lanceolate-oblong, 

 quite entire or minutely serrate, subsessile, glabrous above, puberulous along the nerves or 

 glabrate beneath : pellucid dots scattered : petiole puberulous, prickly ; panicles terminal 

 and axillary, pubescent ; ovaries 5, cohering in the axis ; folliculi 5-2, erect, sessile. — SI. 

 *. 172; Lam. III. t. 811 ; Desc. Fl. 2. t. 98.— Z. caribeeum, Lam. Z. lanceolatum, Poir. 

 — A tree, 20'-50' high ; leaflets pointed, variable, the inferior sometimes elliptical: prickles 

 short, straight ; panicle 2"-4" diam. ; folliculi 3'" long, inserted into a conical, central axis : 

 endocarp loosened on the margin. — Hab. Jamaica !, all coll., common ; S. Lucia!, Anders.; 

 [Cuba !, Guadeloupe !]. 



16. Z. microcarpum, Or. {n. sp.). Leaflets 9-6-jugal, lanceolate, crenate-serrate, subses- 

 sile, glabrous above, puberulous chiefly on the midrib beneath : pellucid dots numerous : petiole 

 puberulous, unarmed ; panicles terminal, pubescent ; folliculi solitary by abortion, globose, 

 sessile. — Habit of the preceding, to which it is nearly allied ; leaflets 2" long, 8'" broad, 

 pointed; panicle spreading, 4"-6" diam., without warts ; folliculi tardily dehiscent, la"' 

 diam., inserted into the minute torus, usually together with a second abortive one. — Hab. 

 Dominica !, Imr. 



17. Z. aromaticum, W. Leaflets 6-2-jugal, elliptical or oblong, crenate, with the 

 crenatures broadly truncate, petiolulate, glabrous : pellucid dots numerous : petiole glabrous ; 

 panicles terminal and axillary, glabrous, verrucose ; ovaries 5, cohering in the axis ; folliculi 

 2 (-5), cernuous, at length shorter than the distinct carpophores. — Jacq. Eclog. t. 70. — 

 Z. elephantiasis, Macf. — A tree, about 20' high : prickles short, subulate, or none ; leaflets 

 glandular beneath : one series of glands between the crenatures ; panicle spreading, 3"-5' 

 diam. ; carpophores divergent, thickened at the top, 3"'-4"' long ; endocarp adhering to 

 the valves. — Hab. Jamaica !, Al., March, in mountain-woods ; [Haiti, Guadeloupe !]. 



Z. Sumach, Gr., PI. Carib. {non Macf.), is an allied Guadeloupe species, distinguished by 

 shorter carpophores, and the leaflets subentire. 



Sect. 2. Ochroxylum. — Style in the male flower distinct : ? unknown. — Leaves unifoliolate. 



18. Z. ? ochroxylum, DC. Leaves elliptical, quite entire, glabrous : pellucid dots 

 numerous : petiole articulated below the top ; panicles terminal, spreading, nearly as long 

 as the leaves, slightly puberulous ; rudimentary ovaries in <? 3, cohering, stalked by a gy- 

 nophore, shorter than the single style. — Ochroxylum punctatum, Schreb. — Branches leafy ; 

 leaves 3"-l£" long, bluntish, veiny: petiole 10"'-4"' long; calyx 5-fid, minute; petals 

 scarcely 1'" long, equalling the 5 filaments and the style. — Hab. Dominica !, Imr.; [S. Jean]. 



7. BRUNELLIA, R. P. 



Calyx 5-4 (-7) -partite, valvate. Petals 0. Stamens 10-8 (-14), inserted into a disc. 

 Ovaries 5-4 (-3), distinct : styles as many, distinct. Folliculi with the endocarp at length se- 



